45K SMT MARATHON N3 SH37LN Handpiece 65W 45000rpm Nail Drills Manicure Machine Pedicure Electric File Bits Kit New Arrival Nail Drills Machine Manicure Pedicure Electric File Bits Nails Art Equipment Specifications Main part 1.Rated volage :110V-120V/60HZ,220V-240V /50HZ 2.Power Inpute: 65W 3.Out voltage:DC0-32V 4.Rated Speed:0-45000RPM(Max) 5.Plug:EU AND US if you need other plug,please leave message Instructions 1.Don't change the turning directions too frequently,otherwise.it will damage the grinding head 2.Turn the speed control counterclockwise to decelerate the grinding head to the minimum before turning off and switch the main power source to 0 3.After operation put the grinding head on the top of the mail panel 4.When adjusting the speed, do not press the right switch button, wait for the handle stop and then press 5.furlong idle time,please disconnect the source power